375 
CDUS43 KLSX 202245
CLISTL

CLIMATE REPORT 
NATIONAL WEATHER SERVICE ST LOUIS MO
545 PM CDT WED MAY 20 2020

...................................

...THE ST. LOUIS CLIMATE SUMMARY FOR MAY 20 2020...
VALID AS OF 0500 PM LOCAL TIME.

CLIMATE NORMAL PERIOD 1981 TO 2010
CLIMATE RECORD PERIOD 1874 TO 2020


WEATHER ITEM   OBSERVED TIME   RECORD YEAR NORMAL DEPARTURE LAST      
                VALUE   (LST)  VALUE       VALUE  FROM      YEAR     
                                                  NORMAL           
...................................................................
TEMPERATURE (F)                                                          
 TODAY                                                               
  MAXIMUM         70    133 PM  93    1902  77     -7       70       
  MINIMUM         59    353 AM  41    1894  58      1       54       
                                      1981                           
  AVERAGE         65                        68     -3       62     

PRECIPITATION (IN)                                                    
  TODAY            0.03          1.66 1947   0.15  -0.12      T       
  MONTH TO DATE    3.98                      2.95   1.03     3.71     
  SINCE MAR 1     12.85                      9.96   2.89    16.10     
  SINCE JAN 1     22.01                     14.60   7.41    22.59     

SNOWFALL (IN)                                                              
  TODAY           MM             0.0  2015   0.0   MM        0.0      
  MONTH TO DATE    T                         0.0    0.0      0.0      
  SINCE MAR 1      T                         2.7   -2.7      2.4      
  SINCE JUL 1     14.3                      17.7   -3.4     24.2      
  SNOW DEPTH      MM                                                  

DEGREE DAYS                                                           
 HEATING                                                              
  TODAY            0                         2     -2        3        
  MONTH TO DATE  112                        62     50       81        
  SINCE MAR 1    879                       920    -41      987        
  SINCE JUL 1   4323                      4518   -195     4741        

 COOLING                                                              
  TODAY            0                         5     -5        0        
  MONTH TO DATE   30                        64    -34       63        
  SINCE MAR 1     61                       110    -49       94        
  SINCE JAN 1     61                       110    -49       94        
...................................................................


WIND (MPH)                                                            
  HIGHEST WIND SPEED    16   HIGHEST WIND DIRECTION     E (70)        
  HIGHEST GUST SPEED    22   HIGHEST GUST DIRECTION    NE (60)        
  AVERAGE WIND SPEED     7.3                                        


SKY COVER                                                             
  AVERAGE SKY COVER 0.9                                                 


WEATHER CONDITIONS                                                    
THE FOLLOWING WEATHER WAS RECORDED TODAY.                             
  LIGHT RAIN                                                          
  FOG                                                                 


RELATIVE HUMIDITY (PERCENT)
 HIGHEST    90           100 AM                                      
 LOWEST     65           300 PM                                      
 AVERAGE    78                                                        

..........................................................


THE ST. LOUIS CLIMATE NORMALS FOR TOMORROW
                         NORMAL    RECORD    YEAR                     
 MAXIMUM TEMPERATURE (F)   78        93      1941                      
 MINIMUM TEMPERATURE (F)   59        38      1883                      


SUNRISE AND SUNSET                                                    
MAY 20 2020...........SUNRISE   545 AM CDT   SUNSET   812 PM CDT     
MAY 21 2020...........SUNRISE   544 AM CDT   SUNSET   813 PM CDT     


-  INDICATES NEGATIVE NUMBERS.
R  INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T  INDICATES TRACE AMOUNT.




$$